Home / 76,302.08-114,421.44-29,528

Finding the Fourth Proportional to 76,302.08, 114,421.44 and 29,528

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Solution

The fourth proportional to 76,302.08, 114,421.44 and 29,528 is: 44,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,302.08 : 114,421.44 = 29,528 : x
  2. Step 2: Convert to fraction form
    76,302.08/114,421.44 = 29,528/x
  3. Step 3: Cross multiply
    76,302.08x = 114,421.44 × 29,528
  4. Step 4: Simplify right side
    76,302.08x = 3,378,636,280.32
  5. Step 5: Solve for x
    x = 3,378,636,280.32/76,302.08
  6. Step 6: Final answer
    x = 44,279.74

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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.