Home / 36,280.20-54,420.30-31,031.40

Finding the Fourth Proportional to 36,280.20, 54,420.30 and 31,031.40

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Solution

The fourth proportional to 36,280.20, 54,420.30 and 31,031.40 is: 46,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280.20 : 54,420.30 = 31,031.40 : x
  2. Step 2: Convert to fraction form
    36,280.20/54,420.30 = 31,031.40/x
  3. Step 3: Cross multiply
    36,280.20x = 54,420.30 × 31,031.40
  4. Step 4: Simplify right side
    36,280.20x = 1,688,738,097.42
  5. Step 5: Solve for x
    x = 1,688,738,097.42/36,280.20
  6. Step 6: Final answer
    x = 46,547.10

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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.