Home / 47,555.64-71,334.27-17,987.40

Finding the Fourth Proportional to 47,555.64, 71,334.27 and 17,987.40

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Solution

The fourth proportional to 47,555.64, 71,334.27 and 17,987.40 is: 26,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.64 : 71,334.27 = 17,987.40 : x
  2. Step 2: Convert to fraction form
    47,555.64/71,334.27 = 17,987.40/x
  3. Step 3: Cross multiply
    47,555.64x = 71,334.27 × 17,987.40
  4. Step 4: Simplify right side
    47,555.64x = 1,283,118,048.20
  5. Step 5: Solve for x
    x = 1,283,118,048.20/47,555.64
  6. Step 6: Final answer
    x = 26,981.41

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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.