Home / 40,643.40-61,094.70-38,310.60

Finding the Fourth Proportional to 40,643.40, 61,094.70 and 38,310.60

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Solution

The fourth proportional to 40,643.40, 61,094.70 and 38,310.60 is: 57,588.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,643.40 : 61,094.70 = 38,310.60 : x
  2. Step 2: Convert to fraction form
    40,643.40/61,094.70 = 38,310.60/x
  3. Step 3: Cross multiply
    40,643.40x = 61,094.70 × 38,310.60
  4. Step 4: Simplify right side
    40,643.40x = 2,340,574,613.82
  5. Step 5: Solve for x
    x = 2,340,574,613.82/40,643.40
  6. Step 6: Final answer
    x = 57,588.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.