Home / 51,565.16-77,274.77-21,953.18

Finding the Fourth Proportional to 51,565.16, 77,274.77 and 21,953.18

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Solution

The fourth proportional to 51,565.16, 77,274.77 and 21,953.18 is: 32,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.16 : 77,274.77 = 21,953.18 : x
  2. Step 2: Convert to fraction form
    51,565.16/77,274.77 = 21,953.18/x
  3. Step 3: Cross multiply
    51,565.16x = 77,274.77 × 21,953.18
  4. Step 4: Simplify right side
    51,565.16x = 1,696,426,439.13
  5. Step 5: Solve for x
    x = 1,696,426,439.13/51,565.16
  6. Step 6: Final answer
    x = 32,898.70

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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.