Home / 45,432.09-67,802.67-42,424.07

Finding the Fourth Proportional to 45,432.09, 67,802.67 and 42,424.07

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Solution

The fourth proportional to 45,432.09, 67,802.67 and 42,424.07 is: 63,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.09 : 67,802.67 = 42,424.07 : x
  2. Step 2: Convert to fraction form
    45,432.09/67,802.67 = 42,424.07/x
  3. Step 3: Cross multiply
    45,432.09x = 67,802.67 × 42,424.07
  4. Step 4: Simplify right side
    45,432.09x = 2,876,464,879.25
  5. Step 5: Solve for x
    x = 2,876,464,879.25/45,432.09
  6. Step 6: Final answer
    x = 63,313.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.