Home / 42,962.53-64,417.90-19,265.79

Finding the Fourth Proportional to 42,962.53, 64,417.90 and 19,265.79

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Solution

The fourth proportional to 42,962.53, 64,417.90 and 19,265.79 is: 28,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,962.53 : 64,417.90 = 19,265.79 : x
  2. Step 2: Convert to fraction form
    42,962.53/64,417.90 = 19,265.79/x
  3. Step 3: Cross multiply
    42,962.53x = 64,417.90 × 19,265.79
  4. Step 4: Simplify right side
    42,962.53x = 1,241,061,733.64
  5. Step 5: Solve for x
    x = 1,241,061,733.64/42,962.53
  6. Step 6: Final answer
    x = 28,887.07

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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.