Home / 42,642.93-63,964.59-13,060.74

Finding the Fourth Proportional to 42,642.93, 63,964.59 and 13,060.74

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Solution

The fourth proportional to 42,642.93, 63,964.59 and 13,060.74 is: 19,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.93 : 63,964.59 = 13,060.74 : x
  2. Step 2: Convert to fraction form
    42,642.93/63,964.59 = 13,060.74/x
  3. Step 3: Cross multiply
    42,642.93x = 63,964.59 × 13,060.74
  4. Step 4: Simplify right side
    42,642.93x = 835,424,879.20
  5. Step 5: Solve for x
    x = 835,424,879.20/42,642.93
  6. Step 6: Final answer
    x = 19,591.17

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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.