Home / 30,349.22-45,521.39-10,357.00

Finding the Fourth Proportional to 30,349.22, 45,521.39 and 10,357.00

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Solution

The fourth proportional to 30,349.22, 45,521.39 and 10,357.00 is: 15,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.22 : 45,521.39 = 10,357.00 : x
  2. Step 2: Convert to fraction form
    30,349.22/45,521.39 = 10,357.00/x
  3. Step 3: Cross multiply
    30,349.22x = 45,521.39 × 10,357.00
  4. Step 4: Simplify right side
    30,349.22x = 471,464,756.84
  5. Step 5: Solve for x
    x = 471,464,756.84/30,349.22
  6. Step 6: Final answer
    x = 15,534.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.