Home / 56,279.67-77,604.12-36,128.94

Finding the Fourth Proportional to 56,279.67, 77,604.12 and 36,128.94

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Solution

The fourth proportional to 56,279.67, 77,604.12 and 36,128.94 is: 49,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279.67 : 77,604.12 = 36,128.94 : x
  2. Step 2: Convert to fraction form
    56,279.67/77,604.12 = 36,128.94/x
  3. Step 3: Cross multiply
    56,279.67x = 77,604.12 × 36,128.94
  4. Step 4: Simplify right side
    56,279.67x = 2,803,754,595.23
  5. Step 5: Solve for x
    x = 2,803,754,595.23/56,279.67
  6. Step 6: Final answer
    x = 49,818.25

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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.