Home / 31,068.53-42,873.08-17,637.95

Finding the Fourth Proportional to 31,068.53, 42,873.08 and 17,637.95

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Solution

The fourth proportional to 31,068.53, 42,873.08 and 17,637.95 is: 24,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068.53 : 42,873.08 = 17,637.95 : x
  2. Step 2: Convert to fraction form
    31,068.53/42,873.08 = 17,637.95/x
  3. Step 3: Cross multiply
    31,068.53x = 42,873.08 × 17,637.95
  4. Step 4: Simplify right side
    31,068.53x = 756,192,938.83
  5. Step 5: Solve for x
    x = 756,192,938.83/31,068.53
  6. Step 6: Final answer
    x = 24,339.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.