Home / 54,390.95-81,618.77-29,430.50

Finding the Fourth Proportional to 54,390.95, 81,618.77 and 29,430.50

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Solution

The fourth proportional to 54,390.95, 81,618.77 and 29,430.50 is: 44,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.95 : 81,618.77 = 29,430.50 : x
  2. Step 2: Convert to fraction form
    54,390.95/81,618.77 = 29,430.50/x
  3. Step 3: Cross multiply
    54,390.95x = 81,618.77 × 29,430.50
  4. Step 4: Simplify right side
    54,390.95x = 2,402,080,875.97
  5. Step 5: Solve for x
    x = 2,402,080,875.97/54,390.95
  6. Step 6: Final answer
    x = 44,163.25

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1.5x scale

Why These Related Problems?

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