Home / 29,487.44-40,681.50-18,875.36

Finding the Fourth Proportional to 29,487.44, 40,681.50 and 18,875.36

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Solution

The fourth proportional to 29,487.44, 40,681.50 and 18,875.36 is: 26,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.44 : 40,681.50 = 18,875.36 : x
  2. Step 2: Convert to fraction form
    29,487.44/40,681.50 = 18,875.36/x
  3. Step 3: Cross multiply
    29,487.44x = 40,681.50 × 18,875.36
  4. Step 4: Simplify right side
    29,487.44x = 767,877,957.84
  5. Step 5: Solve for x
    x = 767,877,957.84/29,487.44
  6. Step 6: Final answer
    x = 26,040.85

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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.