Home / 39,980.28-59,877.16-31,604.08

Finding the Fourth Proportional to 39,980.28, 59,877.16 and 31,604.08

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Solution

The fourth proportional to 39,980.28, 59,877.16 and 31,604.08 is: 47,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.28 : 59,877.16 = 31,604.08 : x
  2. Step 2: Convert to fraction form
    39,980.28/59,877.16 = 31,604.08/x
  3. Step 3: Cross multiply
    39,980.28x = 59,877.16 × 31,604.08
  4. Step 4: Simplify right side
    39,980.28x = 1,892,362,554.81
  5. Step 5: Solve for x
    x = 1,892,362,554.81/39,980.28
  6. Step 6: Final answer
    x = 47,332.40

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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.