Home / 42,205.48-63,330.24-30,614.40

Finding the Fourth Proportional to 42,205.48, 63,330.24 and 30,614.40

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Solution

The fourth proportional to 42,205.48, 63,330.24 and 30,614.40 is: 45,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,205.48 : 63,330.24 = 30,614.40 : x
  2. Step 2: Convert to fraction form
    42,205.48/63,330.24 = 30,614.40/x
  3. Step 3: Cross multiply
    42,205.48x = 63,330.24 × 30,614.40
  4. Step 4: Simplify right side
    42,205.48x = 1,938,817,299.46
  5. Step 5: Solve for x
    x = 1,938,817,299.46/42,205.48
  6. Step 6: Final answer
    x = 45,937.57

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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.