Home / 30,468.24-42,048.18-18,532.08

Finding the Fourth Proportional to 30,468.24, 42,048.18 and 18,532.08

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Solution

The fourth proportional to 30,468.24, 42,048.18 and 18,532.08 is: 25,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468.24 : 42,048.18 = 18,532.08 : x
  2. Step 2: Convert to fraction form
    30,468.24/42,048.18 = 18,532.08/x
  3. Step 3: Cross multiply
    30,468.24x = 42,048.18 × 18,532.08
  4. Step 4: Simplify right side
    30,468.24x = 779,240,235.61
  5. Step 5: Solve for x
    x = 779,240,235.61/30,468.24
  6. Step 6: Final answer
    x = 25,575.49

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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.