Home / 56,454.08-77,910.14-31,303.58

Finding the Fourth Proportional to 56,454.08, 77,910.14 and 31,303.58

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Solution

The fourth proportional to 56,454.08, 77,910.14 and 31,303.58 is: 43,200.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,454.08 : 77,910.14 = 31,303.58 : x
  2. Step 2: Convert to fraction form
    56,454.08/77,910.14 = 31,303.58/x
  3. Step 3: Cross multiply
    56,454.08x = 77,910.14 × 31,303.58
  4. Step 4: Simplify right side
    56,454.08x = 2,438,866,300.30
  5. Step 5: Solve for x
    x = 2,438,866,300.30/56,454.08
  6. Step 6: Final answer
    x = 43,200.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.