Home / 42,423-63,623.98-14,342.44

Finding the Fourth Proportional to 42,423, 63,623.98 and 14,342.44

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Solution

The fourth proportional to 42,423, 63,623.98 and 14,342.44 is: 21,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,423 : 63,623.98 = 14,342.44 : x
  2. Step 2: Convert to fraction form
    42,423/63,623.98 = 14,342.44/x
  3. Step 3: Cross multiply
    42,423x = 63,623.98 × 14,342.44
  4. Step 4: Simplify right side
    42,423x = 912,523,115.71
  5. Step 5: Solve for x
    x = 912,523,115.71/42,423
  6. Step 6: Final answer
    x = 21,510.10

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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.