Home / 42,417.18-63,620.91-11,254.86

Finding the Fourth Proportional to 42,417.18, 63,620.91 and 11,254.86

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Solution

The fourth proportional to 42,417.18, 63,620.91 and 11,254.86 is: 16,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,417.18 : 63,620.91 = 11,254.86 : x
  2. Step 2: Convert to fraction form
    42,417.18/63,620.91 = 11,254.86/x
  3. Step 3: Cross multiply
    42,417.18x = 63,620.91 × 11,254.86
  4. Step 4: Simplify right side
    42,417.18x = 716,044,435.12
  5. Step 5: Solve for x
    x = 716,044,435.12/42,417.18
  6. Step 6: Final answer
    x = 16,881.00

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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.