Home / 38,075.56-52,545.99-21,308.56

Finding the Fourth Proportional to 38,075.56, 52,545.99 and 21,308.56

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Solution

The fourth proportional to 38,075.56, 52,545.99 and 21,308.56 is: 29,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,075.56 : 52,545.99 = 21,308.56 : x
  2. Step 2: Convert to fraction form
    38,075.56/52,545.99 = 21,308.56/x
  3. Step 3: Cross multiply
    38,075.56x = 52,545.99 × 21,308.56
  4. Step 4: Simplify right side
    38,075.56x = 1,119,679,380.67
  5. Step 5: Solve for x
    x = 1,119,679,380.67/38,075.56
  6. Step 6: Final answer
    x = 29,406.77

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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.