Home / 40,364.65-55,780.02-30,275.57

Finding the Fourth Proportional to 40,364.65, 55,780.02 and 30,275.57

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Solution

The fourth proportional to 40,364.65, 55,780.02 and 30,275.57 is: 41,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.65 : 55,780.02 = 30,275.57 : x
  2. Step 2: Convert to fraction form
    40,364.65/55,780.02 = 30,275.57/x
  3. Step 3: Cross multiply
    40,364.65x = 55,780.02 × 30,275.57
  4. Step 4: Simplify right side
    40,364.65x = 1,688,771,900.11
  5. Step 5: Solve for x
    x = 1,688,771,900.11/40,364.65
  6. Step 6: Final answer
    x = 41,837.89

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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.