Home / 56,309.04-84,507.12-28,257.12

Finding the Fourth Proportional to 56,309.04, 84,507.12 and 28,257.12

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Solution

The fourth proportional to 56,309.04, 84,507.12 and 28,257.12 is: 42,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,309.04 : 84,507.12 = 28,257.12 : x
  2. Step 2: Convert to fraction form
    56,309.04/84,507.12 = 28,257.12/x
  3. Step 3: Cross multiply
    56,309.04x = 84,507.12 × 28,257.12
  4. Step 4: Simplify right side
    56,309.04x = 2,387,927,830.69
  5. Step 5: Solve for x
    x = 2,387,927,830.69/56,309.04
  6. Step 6: Final answer
    x = 42,407.54

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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.