Home / 52,034.91-78,020.74-20,407.08

Finding the Fourth Proportional to 52,034.91, 78,020.74 and 20,407.08

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Solution

The fourth proportional to 52,034.91, 78,020.74 and 20,407.08 is: 30,598.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,034.91 : 78,020.74 = 20,407.08 : x
  2. Step 2: Convert to fraction form
    52,034.91/78,020.74 = 20,407.08/x
  3. Step 3: Cross multiply
    52,034.91x = 78,020.74 × 20,407.08
  4. Step 4: Simplify right side
    52,034.91x = 1,592,175,482.84
  5. Step 5: Solve for x
    x = 1,592,175,482.84/52,034.91
  6. Step 6: Final answer
    x = 30,598.22

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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.