Home / 56,457.80-77,875.98-36,279.96

Finding the Fourth Proportional to 56,457.80, 77,875.98 and 36,279.96

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Solution

The fourth proportional to 56,457.80, 77,875.98 and 36,279.96 is: 50,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,457.80 : 77,875.98 = 36,279.96 : x
  2. Step 2: Convert to fraction form
    56,457.80/77,875.98 = 36,279.96/x
  3. Step 3: Cross multiply
    56,457.80x = 77,875.98 × 36,279.96
  4. Step 4: Simplify right side
    56,457.80x = 2,825,337,439.36
  5. Step 5: Solve for x
    x = 2,825,337,439.36/56,457.80
  6. Step 6: Final answer
    x = 50,043.35

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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.