Home / 36,349.50-54,547.20-19,721.10

Finding the Fourth Proportional to 36,349.50, 54,547.20 and 19,721.10

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Solution

The fourth proportional to 36,349.50, 54,547.20 and 19,721.10 is: 29,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,349.50 : 54,547.20 = 19,721.10 : x
  2. Step 2: Convert to fraction form
    36,349.50/54,547.20 = 19,721.10/x
  3. Step 3: Cross multiply
    36,349.50x = 54,547.20 × 19,721.10
  4. Step 4: Simplify right side
    36,349.50x = 1,075,730,785.92
  5. Step 5: Solve for x
    x = 1,075,730,785.92/36,349.50
  6. Step 6: Final answer
    x = 29,594.10

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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.