Home / 30,345.60-41,916.78-23,259.72

Finding the Fourth Proportional to 30,345.60, 41,916.78 and 23,259.72

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Solution

The fourth proportional to 30,345.60, 41,916.78 and 23,259.72 is: 32,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.60 : 41,916.78 = 23,259.72 : x
  2. Step 2: Convert to fraction form
    30,345.60/41,916.78 = 23,259.72/x
  3. Step 3: Cross multiply
    30,345.60x = 41,916.78 × 23,259.72
  4. Step 4: Simplify right side
    30,345.60x = 974,972,566.10
  5. Step 5: Solve for x
    x = 974,972,566.10/30,345.60
  6. Step 6: Final answer
    x = 32,128.96

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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.