Home / 51,547.43-77,333.45-18,270.40

Finding the Fourth Proportional to 51,547.43, 77,333.45 and 18,270.40

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Solution

The fourth proportional to 51,547.43, 77,333.45 and 18,270.40 is: 27,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,547.43 : 77,333.45 = 18,270.40 : x
  2. Step 2: Convert to fraction form
    51,547.43/77,333.45 = 18,270.40/x
  3. Step 3: Cross multiply
    51,547.43x = 77,333.45 × 18,270.40
  4. Step 4: Simplify right side
    51,547.43x = 1,412,912,973.53
  5. Step 5: Solve for x
    x = 1,412,912,973.53/51,547.43
  6. Step 6: Final answer
    x = 27,409.96

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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.