Home / 47,907.47-66,111.45-26,686.28

Finding the Fourth Proportional to 47,907.47, 66,111.45 and 26,686.28

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Solution

The fourth proportional to 47,907.47, 66,111.45 and 26,686.28 is: 36,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.47 : 66,111.45 = 26,686.28 : x
  2. Step 2: Convert to fraction form
    47,907.47/66,111.45 = 26,686.28/x
  3. Step 3: Cross multiply
    47,907.47x = 66,111.45 × 26,686.28
  4. Step 4: Simplify right side
    47,907.47x = 1,764,268,665.91
  5. Step 5: Solve for x
    x = 1,764,268,665.91/47,907.47
  6. Step 6: Final answer
    x = 36,826.59

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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.