Home / 34,458.62-47,547.20-20,314.19

Finding the Fourth Proportional to 34,458.62, 47,547.20 and 20,314.19

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Solution

The fourth proportional to 34,458.62, 47,547.20 and 20,314.19 is: 28,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,458.62 : 47,547.20 = 20,314.19 : x
  2. Step 2: Convert to fraction form
    34,458.62/47,547.20 = 20,314.19/x
  3. Step 3: Cross multiply
    34,458.62x = 47,547.20 × 20,314.19
  4. Step 4: Simplify right side
    34,458.62x = 965,883,024.42
  5. Step 5: Solve for x
    x = 965,883,024.42/34,458.62
  6. Step 6: Final answer
    x = 28,030.23

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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.