Home / 42,210.80-63,307.56-14,510.96

Finding the Fourth Proportional to 42,210.80, 63,307.56 and 14,510.96

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Solution

The fourth proportional to 42,210.80, 63,307.56 and 14,510.96 is: 21,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,210.80 : 63,307.56 = 14,510.96 : x
  2. Step 2: Convert to fraction form
    42,210.80/63,307.56 = 14,510.96/x
  3. Step 3: Cross multiply
    42,210.80x = 63,307.56 × 14,510.96
  4. Step 4: Simplify right side
    42,210.80x = 918,653,470.86
  5. Step 5: Solve for x
    x = 918,653,470.86/42,210.80
  6. Step 6: Final answer
    x = 21,763.47

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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.