Home / 55,816.16-77,012.98-31,617.68

Finding the Fourth Proportional to 55,816.16, 77,012.98 and 31,617.68

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Solution

The fourth proportional to 55,816.16, 77,012.98 and 31,617.68 is: 43,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,816.16 : 77,012.98 = 31,617.68 : x
  2. Step 2: Convert to fraction form
    55,816.16/77,012.98 = 31,617.68/x
  3. Step 3: Cross multiply
    55,816.16x = 77,012.98 × 31,617.68
  4. Step 4: Simplify right side
    55,816.16x = 2,434,971,293.38
  5. Step 5: Solve for x
    x = 2,434,971,293.38/55,816.16
  6. Step 6: Final answer
    x = 43,624.85

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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.