Home / 32,681.47-45,100.42-18,534.31

Finding the Fourth Proportional to 32,681.47, 45,100.42 and 18,534.31

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Solution

The fourth proportional to 32,681.47, 45,100.42 and 18,534.31 is: 25,577.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,681.47 : 45,100.42 = 18,534.31 : x
  2. Step 2: Convert to fraction form
    32,681.47/45,100.42 = 18,534.31/x
  3. Step 3: Cross multiply
    32,681.47x = 45,100.42 × 18,534.31
  4. Step 4: Simplify right side
    32,681.47x = 835,905,165.41
  5. Step 5: Solve for x
    x = 835,905,165.41/32,681.47
  6. Step 6: Final answer
    x = 25,577.35

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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.