Home / 31,875.60-43,985.25-18,444.18

Finding the Fourth Proportional to 31,875.60, 43,985.25 and 18,444.18

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Solution

The fourth proportional to 31,875.60, 43,985.25 and 18,444.18 is: 25,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.60 : 43,985.25 = 18,444.18 : x
  2. Step 2: Convert to fraction form
    31,875.60/43,985.25 = 18,444.18/x
  3. Step 3: Cross multiply
    31,875.60x = 43,985.25 × 18,444.18
  4. Step 4: Simplify right side
    31,875.60x = 811,271,868.35
  5. Step 5: Solve for x
    x = 811,271,868.35/31,875.60
  6. Step 6: Final answer
    x = 25,451.19

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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.