Home / 34,077.42-47,031.25-19,547.28

Finding the Fourth Proportional to 34,077.42, 47,031.25 and 19,547.28

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Solution

The fourth proportional to 34,077.42, 47,031.25 and 19,547.28 is: 26,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,077.42 : 47,031.25 = 19,547.28 : x
  2. Step 2: Convert to fraction form
    34,077.42/47,031.25 = 19,547.28/x
  3. Step 3: Cross multiply
    34,077.42x = 47,031.25 × 19,547.28
  4. Step 4: Simplify right side
    34,077.42x = 919,332,943.79
  5. Step 5: Solve for x
    x = 919,332,943.79/34,077.42
  6. Step 6: Final answer
    x = 26,977.78

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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.