Home / 42,648.75-63,973.13-14,946.75

Finding the Fourth Proportional to 42,648.75, 63,973.13 and 14,946.75

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Solution

The fourth proportional to 42,648.75, 63,973.13 and 14,946.75 is: 22,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,648.75 : 63,973.13 = 14,946.75 : x
  2. Step 2: Convert to fraction form
    42,648.75/63,973.13 = 14,946.75/x
  3. Step 3: Cross multiply
    42,648.75x = 63,973.13 × 14,946.75
  4. Step 4: Simplify right side
    42,648.75x = 956,190,306.09
  5. Step 5: Solve for x
    x = 956,190,306.09/42,648.75
  6. Step 6: Final answer
    x = 22,420.13

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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.