Home / 42,525.22-63,746.45-20,332.84

Finding the Fourth Proportional to 42,525.22, 63,746.45 and 20,332.84

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Solution

The fourth proportional to 42,525.22, 63,746.45 and 20,332.84 is: 30,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,525.22 : 63,746.45 = 20,332.84 : x
  2. Step 2: Convert to fraction form
    42,525.22/63,746.45 = 20,332.84/x
  3. Step 3: Cross multiply
    42,525.22x = 63,746.45 × 20,332.84
  4. Step 4: Simplify right side
    42,525.22x = 1,296,146,368.42
  5. Step 5: Solve for x
    x = 1,296,146,368.42/42,525.22
  6. Step 6: Final answer
    x = 30,479.47

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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.