Home / 58,722.12-81,036.74-31,864.63

Finding the Fourth Proportional to 58,722.12, 81,036.74 and 31,864.63

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Solution

The fourth proportional to 58,722.12, 81,036.74 and 31,864.63 is: 43,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722.12 : 81,036.74 = 31,864.63 : x
  2. Step 2: Convert to fraction form
    58,722.12/81,036.74 = 31,864.63/x
  3. Step 3: Cross multiply
    58,722.12x = 81,036.74 × 31,864.63
  4. Step 4: Simplify right side
    58,722.12x = 2,582,205,505.93
  5. Step 5: Solve for x
    x = 2,582,205,505.93/58,722.12
  6. Step 6: Final answer
    x = 43,973.30

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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.