Home / 54,360.02-75,020.10-30,488.11

Finding the Fourth Proportional to 54,360.02, 75,020.10 and 30,488.11

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Solution

The fourth proportional to 54,360.02, 75,020.10 and 30,488.11 is: 42,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.02 : 75,020.10 = 30,488.11 : x
  2. Step 2: Convert to fraction form
    54,360.02/75,020.10 = 30,488.11/x
  3. Step 3: Cross multiply
    54,360.02x = 75,020.10 × 30,488.11
  4. Step 4: Simplify right side
    54,360.02x = 2,287,221,061.01
  5. Step 5: Solve for x
    x = 2,287,221,061.01/54,360.02
  6. Step 6: Final answer
    x = 42,075.43

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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.