Home / 45,457.53-62,750.76-30,562.17

Finding the Fourth Proportional to 45,457.53, 62,750.76 and 30,562.17

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Solution

The fourth proportional to 45,457.53, 62,750.76 and 30,562.17 is: 42,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.53 : 62,750.76 = 30,562.17 : x
  2. Step 2: Convert to fraction form
    45,457.53/62,750.76 = 30,562.17/x
  3. Step 3: Cross multiply
    45,457.53x = 62,750.76 × 30,562.17
  4. Step 4: Simplify right side
    45,457.53x = 1,917,799,394.75
  5. Step 5: Solve for x
    x = 1,917,799,394.75/45,457.53
  6. Step 6: Final answer
    x = 42,188.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.