Home / 40,312.77-55,593.48-30,735.84

Finding the Fourth Proportional to 40,312.77, 55,593.48 and 30,735.84

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Solution

The fourth proportional to 40,312.77, 55,593.48 and 30,735.84 is: 42,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.77 : 55,593.48 = 30,735.84 : x
  2. Step 2: Convert to fraction form
    40,312.77/55,593.48 = 30,735.84/x
  3. Step 3: Cross multiply
    40,312.77x = 55,593.48 × 30,735.84
  4. Step 4: Simplify right side
    40,312.77x = 1,708,712,306.32
  5. Step 5: Solve for x
    x = 1,708,712,306.32/40,312.77
  6. Step 6: Final answer
    x = 42,386.38

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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.