Home / 69,032.20-103,475.40-39,386.20

Finding the Fourth Proportional to 69,032.20, 103,475.40 and 39,386.20

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Solution

The fourth proportional to 69,032.20, 103,475.40 and 39,386.20 is: 59,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,032.20 : 103,475.40 = 39,386.20 : x
  2. Step 2: Convert to fraction form
    69,032.20/103,475.40 = 39,386.20/x
  3. Step 3: Cross multiply
    69,032.20x = 103,475.40 × 39,386.20
  4. Step 4: Simplify right side
    69,032.20x = 4,075,502,799.48
  5. Step 5: Solve for x
    x = 4,075,502,799.48/69,032.20
  6. Step 6: Final answer
    x = 59,037.71

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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.