Home / 39,971.31-59,980.73-17,785.95

Finding the Fourth Proportional to 39,971.31, 59,980.73 and 17,785.95

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Solution

The fourth proportional to 39,971.31, 59,980.73 and 17,785.95 is: 26,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.31 : 59,980.73 = 17,785.95 : x
  2. Step 2: Convert to fraction form
    39,971.31/59,980.73 = 17,785.95/x
  3. Step 3: Cross multiply
    39,971.31x = 59,980.73 × 17,785.95
  4. Step 4: Simplify right side
    39,971.31x = 1,066,814,264.74
  5. Step 5: Solve for x
    x = 1,066,814,264.74/39,971.31
  6. Step 6: Final answer
    x = 26,689.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.