Home / 42,820.74-64,304.61-26,277.90

Finding the Fourth Proportional to 42,820.74, 64,304.61 and 26,277.90

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Solution

The fourth proportional to 42,820.74, 64,304.61 and 26,277.90 is: 39,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,820.74 : 64,304.61 = 26,277.90 : x
  2. Step 2: Convert to fraction form
    42,820.74/64,304.61 = 26,277.90/x
  3. Step 3: Cross multiply
    42,820.74x = 64,304.61 × 26,277.90
  4. Step 4: Simplify right side
    42,820.74x = 1,689,790,111.12
  5. Step 5: Solve for x
    x = 1,689,790,111.12/42,820.74
  6. Step 6: Final answer
    x = 39,461.95

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1.5x scale

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.