Home / 56,356.67-77,774.55-31,206.17

Finding the Fourth Proportional to 56,356.67, 77,774.55 and 31,206.17

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Solution

The fourth proportional to 56,356.67, 77,774.55 and 31,206.17 is: 43,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.67 : 77,774.55 = 31,206.17 : x
  2. Step 2: Convert to fraction form
    56,356.67/77,774.55 = 31,206.17/x
  3. Step 3: Cross multiply
    56,356.67x = 77,774.55 × 31,206.17
  4. Step 4: Simplify right side
    56,356.67x = 2,427,045,828.97
  5. Step 5: Solve for x
    x = 2,427,045,828.97/56,356.67
  6. Step 6: Final answer
    x = 43,065.81

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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.