Home / 42,823.06-64,240.32-40,462.18

Finding the Fourth Proportional to 42,823.06, 64,240.32 and 40,462.18

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Solution

The fourth proportional to 42,823.06, 64,240.32 and 40,462.18 is: 60,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,823.06 : 64,240.32 = 40,462.18 : x
  2. Step 2: Convert to fraction form
    42,823.06/64,240.32 = 40,462.18/x
  3. Step 3: Cross multiply
    42,823.06x = 64,240.32 × 40,462.18
  4. Step 4: Simplify right side
    42,823.06x = 2,599,303,391.10
  5. Step 5: Solve for x
    x = 2,599,303,391.10/42,823.06
  6. Step 6: Final answer
    x = 60,698.68

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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.