Home / 47,876.48-66,066.36-26,655.20

Finding the Fourth Proportional to 47,876.48, 66,066.36 and 26,655.20

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Solution

The fourth proportional to 47,876.48, 66,066.36 and 26,655.20 is: 36,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,876.48 : 66,066.36 = 26,655.20 : x
  2. Step 2: Convert to fraction form
    47,876.48/66,066.36 = 26,655.20/x
  3. Step 3: Cross multiply
    47,876.48x = 66,066.36 × 26,655.20
  4. Step 4: Simplify right side
    47,876.48x = 1,761,012,039.07
  5. Step 5: Solve for x
    x = 1,761,012,039.07/47,876.48
  6. Step 6: Final answer
    x = 36,782.40

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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.