Home / 42,435.19-58,107.86-40,762.13

Finding the Fourth Proportional to 42,435.19, 58,107.86 and 40,762.13

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Solution

The fourth proportional to 42,435.19, 58,107.86 and 40,762.13 is: 55,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,435.19 : 58,107.86 = 40,762.13 : x
  2. Step 2: Convert to fraction form
    42,435.19/58,107.86 = 40,762.13/x
  3. Step 3: Cross multiply
    42,435.19x = 58,107.86 × 40,762.13
  4. Step 4: Simplify right side
    42,435.19x = 2,368,599,939.53
  5. Step 5: Solve for x
    x = 2,368,599,939.53/42,435.19
  6. Step 6: Final answer
    x = 55,816.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.