Home / 35,319.93-48,719.88-20,970.02

Finding the Fourth Proportional to 35,319.93, 48,719.88 and 20,970.02

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Solution

The fourth proportional to 35,319.93, 48,719.88 and 20,970.02 is: 28,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.93 : 48,719.88 = 20,970.02 : x
  2. Step 2: Convert to fraction form
    35,319.93/48,719.88 = 20,970.02/x
  3. Step 3: Cross multiply
    35,319.93x = 48,719.88 × 20,970.02
  4. Step 4: Simplify right side
    35,319.93x = 1,021,656,979.80
  5. Step 5: Solve for x
    x = 1,021,656,979.80/35,319.93
  6. Step 6: Final answer
    x = 28,925.80

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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.