Home / 40,840.04-61,244.20-15,876.79

Finding the Fourth Proportional to 40,840.04, 61,244.20 and 15,876.79

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Solution

The fourth proportional to 40,840.04, 61,244.20 and 15,876.79 is: 23,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.04 : 61,244.20 = 15,876.79 : x
  2. Step 2: Convert to fraction form
    40,840.04/61,244.20 = 15,876.79/x
  3. Step 3: Cross multiply
    40,840.04x = 61,244.20 × 15,876.79
  4. Step 4: Simplify right side
    40,840.04x = 972,360,916.51
  5. Step 5: Solve for x
    x = 972,360,916.51/40,840.04
  6. Step 6: Final answer
    x = 23,809.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.