Home / 35,316.48-48,728.34-20,003.16

Finding the Fourth Proportional to 35,316.48, 48,728.34 and 20,003.16

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Solution

The fourth proportional to 35,316.48, 48,728.34 and 20,003.16 is: 27,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.48 : 48,728.34 = 20,003.16 : x
  2. Step 2: Convert to fraction form
    35,316.48/48,728.34 = 20,003.16/x
  3. Step 3: Cross multiply
    35,316.48x = 48,728.34 × 20,003.16
  4. Step 4: Simplify right side
    35,316.48x = 974,720,781.55
  5. Step 5: Solve for x
    x = 974,720,781.55/35,316.48
  6. Step 6: Final answer
    x = 27,599.60

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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.