Home / 39,964.16-55,146.60-22,058.00

Finding the Fourth Proportional to 39,964.16, 55,146.60 and 22,058.00

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Solution

The fourth proportional to 39,964.16, 55,146.60 and 22,058.00 is: 30,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.16 : 55,146.60 = 22,058.00 : x
  2. Step 2: Convert to fraction form
    39,964.16/55,146.60 = 22,058.00/x
  3. Step 3: Cross multiply
    39,964.16x = 55,146.60 × 22,058.00
  4. Step 4: Simplify right side
    39,964.16x = 1,216,423,840.67
  5. Step 5: Solve for x
    x = 1,216,423,840.67/39,964.16
  6. Step 6: Final answer
    x = 30,437.87

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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.