Home / 72,430.17-99,958.24-40,599.07

Finding the Fourth Proportional to 72,430.17, 99,958.24 and 40,599.07

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Solution

The fourth proportional to 72,430.17, 99,958.24 and 40,599.07 is: 56,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,430.17 : 99,958.24 = 40,599.07 : x
  2. Step 2: Convert to fraction form
    72,430.17/99,958.24 = 40,599.07/x
  3. Step 3: Cross multiply
    72,430.17x = 99,958.24 × 40,599.07
  4. Step 4: Simplify right side
    72,430.17x = 4,058,211,083.05
  5. Step 5: Solve for x
    x = 4,058,211,083.05/72,430.17
  6. Step 6: Final answer
    x = 56,029.30

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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.