Home / 39,954.40-59,931.60-30,623.20

Finding the Fourth Proportional to 39,954.40, 59,931.60 and 30,623.20

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Solution

The fourth proportional to 39,954.40, 59,931.60 and 30,623.20 is: 45,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.40 : 59,931.60 = 30,623.20 : x
  2. Step 2: Convert to fraction form
    39,954.40/59,931.60 = 30,623.20/x
  3. Step 3: Cross multiply
    39,954.40x = 59,931.60 × 30,623.20
  4. Step 4: Simplify right side
    39,954.40x = 1,835,297,373.12
  5. Step 5: Solve for x
    x = 1,835,297,373.12/39,954.40
  6. Step 6: Final answer
    x = 45,934.80

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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.