Home / 42,420.07-63,638.30-16,122.76

Finding the Fourth Proportional to 42,420.07, 63,638.30 and 16,122.76

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Solution

The fourth proportional to 42,420.07, 63,638.30 and 16,122.76 is: 24,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.07 : 63,638.30 = 16,122.76 : x
  2. Step 2: Convert to fraction form
    42,420.07/63,638.30 = 16,122.76/x
  3. Step 3: Cross multiply
    42,420.07x = 63,638.30 × 16,122.76
  4. Step 4: Simplify right side
    42,420.07x = 1,026,025,037.71
  5. Step 5: Solve for x
    x = 1,026,025,037.71/42,420.07
  6. Step 6: Final answer
    x = 24,187.25

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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.