Home / 42,648.40-64,030.20-27,096.40

Finding the Fourth Proportional to 42,648.40, 64,030.20 and 27,096.40

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Solution

The fourth proportional to 42,648.40, 64,030.20 and 27,096.40 is: 40,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,648.40 : 64,030.20 = 27,096.40 : x
  2. Step 2: Convert to fraction form
    42,648.40/64,030.20 = 27,096.40/x
  3. Step 3: Cross multiply
    42,648.40x = 64,030.20 × 27,096.40
  4. Step 4: Simplify right side
    42,648.40x = 1,734,987,911.28
  5. Step 5: Solve for x
    x = 1,734,987,911.28/42,648.40
  6. Step 6: Final answer
    x = 40,681.20

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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.