Home / 30,586.50-42,280.02-25,521.21

Finding the Fourth Proportional to 30,586.50, 42,280.02 and 25,521.21

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Solution

The fourth proportional to 30,586.50, 42,280.02 and 25,521.21 is: 35,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586.50 : 42,280.02 = 25,521.21 : x
  2. Step 2: Convert to fraction form
    30,586.50/42,280.02 = 25,521.21/x
  3. Step 3: Cross multiply
    30,586.50x = 42,280.02 × 25,521.21
  4. Step 4: Simplify right side
    30,586.50x = 1,079,037,269.22
  5. Step 5: Solve for x
    x = 1,079,037,269.22/30,586.50
  6. Step 6: Final answer
    x = 35,278.22

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Double scale
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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.