Home / 56,166.35-77,508.07-30,673.40

Finding the Fourth Proportional to 56,166.35, 77,508.07 and 30,673.40

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Solution

The fourth proportional to 56,166.35, 77,508.07 and 30,673.40 is: 42,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,166.35 : 77,508.07 = 30,673.40 : x
  2. Step 2: Convert to fraction form
    56,166.35/77,508.07 = 30,673.40/x
  3. Step 3: Cross multiply
    56,166.35x = 77,508.07 × 30,673.40
  4. Step 4: Simplify right side
    56,166.35x = 2,377,435,570.11
  5. Step 5: Solve for x
    x = 2,377,435,570.11/56,166.35
  6. Step 6: Final answer
    x = 42,328.47

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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.