Home / 52,602.32-78,863.16-21,417.68

Finding the Fourth Proportional to 52,602.32, 78,863.16 and 21,417.68

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Solution

The fourth proportional to 52,602.32, 78,863.16 and 21,417.68 is: 32,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,602.32 : 78,863.16 = 21,417.68 : x
  2. Step 2: Convert to fraction form
    52,602.32/78,863.16 = 21,417.68/x
  3. Step 3: Cross multiply
    52,602.32x = 78,863.16 × 21,417.68
  4. Step 4: Simplify right side
    52,602.32x = 1,689,065,924.67
  5. Step 5: Solve for x
    x = 1,689,065,924.67/52,602.32
  6. Step 6: Final answer
    x = 32,110.10

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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.