Home / 31,445.60-43,393.36-17,298.08

Finding the Fourth Proportional to 31,445.60, 43,393.36 and 17,298.08

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Solution

The fourth proportional to 31,445.60, 43,393.36 and 17,298.08 is: 23,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.60 : 43,393.36 = 17,298.08 : x
  2. Step 2: Convert to fraction form
    31,445.60/43,393.36 = 17,298.08/x
  3. Step 3: Cross multiply
    31,445.60x = 43,393.36 × 17,298.08
  4. Step 4: Simplify right side
    31,445.60x = 750,621,812.75
  5. Step 5: Solve for x
    x = 750,621,812.75/31,445.60
  6. Step 6: Final answer
    x = 23,870.49

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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.