Home / 56,841.41-78,437.69-31,348.05

Finding the Fourth Proportional to 56,841.41, 78,437.69 and 31,348.05

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Solution

The fourth proportional to 56,841.41, 78,437.69 and 31,348.05 is: 43,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,841.41 : 78,437.69 = 31,348.05 : x
  2. Step 2: Convert to fraction form
    56,841.41/78,437.69 = 31,348.05/x
  3. Step 3: Cross multiply
    56,841.41x = 78,437.69 × 31,348.05
  4. Step 4: Simplify right side
    56,841.41x = 2,458,868,471.26
  5. Step 5: Solve for x
    x = 2,458,868,471.26/56,841.41
  6. Step 6: Final answer
    x = 43,258.40

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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.