Home / 54,271.17-74,969.69-40,945.05

Finding the Fourth Proportional to 54,271.17, 74,969.69 and 40,945.05

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Solution

The fourth proportional to 54,271.17, 74,969.69 and 40,945.05 is: 56,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,271.17 : 74,969.69 = 40,945.05 : x
  2. Step 2: Convert to fraction form
    54,271.17/74,969.69 = 40,945.05/x
  3. Step 3: Cross multiply
    54,271.17x = 74,969.69 × 40,945.05
  4. Step 4: Simplify right side
    54,271.17x = 3,069,637,500.81
  5. Step 5: Solve for x
    x = 3,069,637,500.81/54,271.17
  6. Step 6: Final answer
    x = 56,561.11

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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.