Home / 38,079.32-52,547.56-20,851.24

Finding the Fourth Proportional to 38,079.32, 52,547.56 and 20,851.24

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Solution

The fourth proportional to 38,079.32, 52,547.56 and 20,851.24 is: 28,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.32 : 52,547.56 = 20,851.24 : x
  2. Step 2: Convert to fraction form
    38,079.32/52,547.56 = 20,851.24/x
  3. Step 3: Cross multiply
    38,079.32x = 52,547.56 × 20,851.24
  4. Step 4: Simplify right side
    38,079.32x = 1,095,681,784.97
  5. Step 5: Solve for x
    x = 1,095,681,784.97/38,079.32
  6. Step 6: Final answer
    x = 28,773.67

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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.