Home / 42,962.26-64,417.47-19,265.50

Finding the Fourth Proportional to 42,962.26, 64,417.47 and 19,265.50

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Solution

The fourth proportional to 42,962.26, 64,417.47 and 19,265.50 is: 28,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,962.26 : 64,417.47 = 19,265.50 : x
  2. Step 2: Convert to fraction form
    42,962.26/64,417.47 = 19,265.50/x
  3. Step 3: Cross multiply
    42,962.26x = 64,417.47 × 19,265.50
  4. Step 4: Simplify right side
    42,962.26x = 1,241,034,768.29
  5. Step 5: Solve for x
    x = 1,241,034,768.29/42,962.26
  6. Step 6: Final answer
    x = 28,886.63

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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.