Home / 72,023.95-99,393.13-40,192.84

Finding the Fourth Proportional to 72,023.95, 99,393.13 and 40,192.84

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Solution

The fourth proportional to 72,023.95, 99,393.13 and 40,192.84 is: 55,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,023.95 : 99,393.13 = 40,192.84 : x
  2. Step 2: Convert to fraction form
    72,023.95/99,393.13 = 40,192.84/x
  3. Step 3: Cross multiply
    72,023.95x = 99,393.13 × 40,192.84
  4. Step 4: Simplify right side
    72,023.95x = 3,994,892,171.19
  5. Step 5: Solve for x
    x = 3,994,892,171.19/72,023.95
  6. Step 6: Final answer
    x = 55,466.16

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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.