Home / 56,634.74-78,154.37-31,141.16

Finding the Fourth Proportional to 56,634.74, 78,154.37 and 31,141.16

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Solution

The fourth proportional to 56,634.74, 78,154.37 and 31,141.16 is: 42,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634.74 : 78,154.37 = 31,141.16 : x
  2. Step 2: Convert to fraction form
    56,634.74/78,154.37 = 31,141.16/x
  3. Step 3: Cross multiply
    56,634.74x = 78,154.37 × 31,141.16
  4. Step 4: Simplify right side
    56,634.74x = 2,433,817,604.25
  5. Step 5: Solve for x
    x = 2,433,817,604.25/56,634.74
  6. Step 6: Final answer
    x = 42,973.93

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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.