Home / 42,566.10-63,851.67-12,984.90

Finding the Fourth Proportional to 42,566.10, 63,851.67 and 12,984.90

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Solution

The fourth proportional to 42,566.10, 63,851.67 and 12,984.90 is: 19,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,566.10 : 63,851.67 = 12,984.90 : x
  2. Step 2: Convert to fraction form
    42,566.10/63,851.67 = 12,984.90/x
  3. Step 3: Cross multiply
    42,566.10x = 63,851.67 × 12,984.90
  4. Step 4: Simplify right side
    42,566.10x = 829,107,549.78
  5. Step 5: Solve for x
    x = 829,107,549.78/42,566.10
  6. Step 6: Final answer
    x = 19,478.12

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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.