Home / 53,812.86-74,364.15-40,360.76

Finding the Fourth Proportional to 53,812.86, 74,364.15 and 40,360.76

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Solution

The fourth proportional to 53,812.86, 74,364.15 and 40,360.76 is: 55,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,812.86 : 74,364.15 = 40,360.76 : x
  2. Step 2: Convert to fraction form
    53,812.86/74,364.15 = 40,360.76/x
  3. Step 3: Cross multiply
    53,812.86x = 74,364.15 × 40,360.76
  4. Step 4: Simplify right side
    53,812.86x = 3,001,393,346.49
  5. Step 5: Solve for x
    x = 3,001,393,346.49/53,812.86
  6. Step 6: Final answer
    x = 55,774.65

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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.