Home / 30,486.02-45,737.23-15,686.87

Finding the Fourth Proportional to 30,486.02, 45,737.23 and 15,686.87

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Solution

The fourth proportional to 30,486.02, 45,737.23 and 15,686.87 is: 23,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486.02 : 45,737.23 = 15,686.87 : x
  2. Step 2: Convert to fraction form
    30,486.02/45,737.23 = 15,686.87/x
  3. Step 3: Cross multiply
    30,486.02x = 45,737.23 × 15,686.87
  4. Step 4: Simplify right side
    30,486.02x = 717,473,786.80
  5. Step 5: Solve for x
    x = 717,473,786.80/30,486.02
  6. Step 6: Final answer
    x = 23,534.52

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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.