Home / 42,962.60-64,417.93-19,265.85

Finding the Fourth Proportional to 42,962.60, 64,417.93 and 19,265.85

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Solution

The fourth proportional to 42,962.60, 64,417.93 and 19,265.85 is: 28,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,962.60 : 64,417.93 = 19,265.85 : x
  2. Step 2: Convert to fraction form
    42,962.60/64,417.93 = 19,265.85/x
  3. Step 3: Cross multiply
    42,962.60x = 64,417.93 × 19,265.85
  4. Step 4: Simplify right side
    42,962.60x = 1,241,066,236.90
  5. Step 5: Solve for x
    x = 1,241,066,236.90/42,962.60
  6. Step 6: Final answer
    x = 28,887.13

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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.