Home / 30,061.68-41,480.28-18,875.76

Finding the Fourth Proportional to 30,061.68, 41,480.28 and 18,875.76

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Solution

The fourth proportional to 30,061.68, 41,480.28 and 18,875.76 is: 26,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,061.68 : 41,480.28 = 18,875.76 : x
  2. Step 2: Convert to fraction form
    30,061.68/41,480.28 = 18,875.76/x
  3. Step 3: Cross multiply
    30,061.68x = 41,480.28 × 18,875.76
  4. Step 4: Simplify right side
    30,061.68x = 782,971,810.01
  5. Step 5: Solve for x
    x = 782,971,810.01/30,061.68
  6. Step 6: Final answer
    x = 26,045.51

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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.