Home / 56,836.94-78,439.65-31,348.29

Finding the Fourth Proportional to 56,836.94, 78,439.65 and 31,348.29

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Solution

The fourth proportional to 56,836.94, 78,439.65 and 31,348.29 is: 43,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,836.94 : 78,439.65 = 31,348.29 : x
  2. Step 2: Convert to fraction form
    56,836.94/78,439.65 = 31,348.29/x
  3. Step 3: Cross multiply
    56,836.94x = 78,439.65 × 31,348.29
  4. Step 4: Simplify right side
    56,836.94x = 2,458,949,248.63
  5. Step 5: Solve for x
    x = 2,458,949,248.63/56,836.94
  6. Step 6: Final answer
    x = 43,263.22

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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.