Home / 38,075.66-57,117.36-13,112.45

Finding the Fourth Proportional to 38,075.66, 57,117.36 and 13,112.45

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Solution

The fourth proportional to 38,075.66, 57,117.36 and 13,112.45 is: 19,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.66 : 57,117.36 = 13,112.45 : x
  2. Step 2: Convert to fraction form
    38,075.66/57,117.36 = 13,112.45/x
  3. Step 3: Cross multiply
    38,075.66x = 57,117.36 × 13,112.45
  4. Step 4: Simplify right side
    38,075.66x = 748,948,527.13
  5. Step 5: Solve for x
    x = 748,948,527.13/38,075.66
  6. Step 6: Final answer
    x = 19,670.01

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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.