Home / 42,360.75-63,541.13-14,658.75

Finding the Fourth Proportional to 42,360.75, 63,541.13 and 14,658.75

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Solution

The fourth proportional to 42,360.75, 63,541.13 and 14,658.75 is: 21,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.75 : 63,541.13 = 14,658.75 : x
  2. Step 2: Convert to fraction form
    42,360.75/63,541.13 = 14,658.75/x
  3. Step 3: Cross multiply
    42,360.75x = 63,541.13 × 14,658.75
  4. Step 4: Simplify right side
    42,360.75x = 931,433,466.09
  5. Step 5: Solve for x
    x = 931,433,466.09/42,360.75
  6. Step 6: Final answer
    x = 21,988.13

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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.