Home / 64,040.38-96,075.69-21,920.98

Finding the Fourth Proportional to 64,040.38, 96,075.69 and 21,920.98

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Solution

The fourth proportional to 64,040.38, 96,075.69 and 21,920.98 is: 32,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,040.38 : 96,075.69 = 21,920.98 : x
  2. Step 2: Convert to fraction form
    64,040.38/96,075.69 = 21,920.98/x
  3. Step 3: Cross multiply
    64,040.38x = 96,075.69 × 21,920.98
  4. Step 4: Simplify right side
    64,040.38x = 2,106,073,278.98
  5. Step 5: Solve for x
    x = 2,106,073,278.98/64,040.38
  6. Step 6: Final answer
    x = 32,886.65

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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.