Home / 42,343.47-63,492.48-14,254.20

Finding the Fourth Proportional to 42,343.47, 63,492.48 and 14,254.20

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Solution

The fourth proportional to 42,343.47, 63,492.48 and 14,254.20 is: 21,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.47 : 63,492.48 = 14,254.20 : x
  2. Step 2: Convert to fraction form
    42,343.47/63,492.48 = 14,254.20/x
  3. Step 3: Cross multiply
    42,343.47x = 63,492.48 × 14,254.20
  4. Step 4: Simplify right side
    42,343.47x = 905,034,508.42
  5. Step 5: Solve for x
    x = 905,034,508.42/42,343.47
  6. Step 6: Final answer
    x = 21,373.65

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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.