Home / 30,888,158.40-42,630,775.20-17,141,538.24

Finding the Fourth Proportional to 30,888,158.40, 42,630,775.20 and 17,141,538.24

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Solution

The fourth proportional to 30,888,158.40, 42,630,775.20 and 17,141,538.24 is: 23,658,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,158.40 : 42,630,775.20 = 17,141,538.24 : x
  2. Step 2: Convert to fraction form
    30,888,158.40/42,630,775.20 = 17,141,538.24/x
  3. Step 3: Cross multiply
    30,888,158.40x = 42,630,775.20 × 17,141,538.24
  4. Step 4: Simplify right side
    30,888,158.40x = 730,757,063,291,643.62
  5. Step 5: Solve for x
    x = 730,757,063,291,643.62/30,888,158.40
  6. Step 6: Final answer
    x = 23,658,162.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.