Home / 42,368.18-63,491.79-21,606.26

Finding the Fourth Proportional to 42,368.18, 63,491.79 and 21,606.26

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Solution

The fourth proportional to 42,368.18, 63,491.79 and 21,606.26 is: 32,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,368.18 : 63,491.79 = 21,606.26 : x
  2. Step 2: Convert to fraction form
    42,368.18/63,491.79 = 21,606.26/x
  3. Step 3: Cross multiply
    42,368.18x = 63,491.79 × 21,606.26
  4. Step 4: Simplify right side
    42,368.18x = 1,371,820,122.61
  5. Step 5: Solve for x
    x = 1,371,820,122.61/42,368.18
  6. Step 6: Final answer
    x = 32,378.55

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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.