Home / 39,907.20-59,822.40-31,017.60

Finding the Fourth Proportional to 39,907.20, 59,822.40 and 31,017.60

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Solution

The fourth proportional to 39,907.20, 59,822.40 and 31,017.60 is: 46,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.20 : 59,822.40 = 31,017.60 : x
  2. Step 2: Convert to fraction form
    39,907.20/59,822.40 = 31,017.60/x
  3. Step 3: Cross multiply
    39,907.20x = 59,822.40 × 31,017.60
  4. Step 4: Simplify right side
    39,907.20x = 1,855,547,274.24
  5. Step 5: Solve for x
    x = 1,855,547,274.24/39,907.20
  6. Step 6: Final answer
    x = 46,496.55

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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.