Home / 42,039.04-58,017.94-31,410.22

Finding the Fourth Proportional to 42,039.04, 58,017.94 and 31,410.22

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Solution

The fourth proportional to 42,039.04, 58,017.94 and 31,410.22 is: 43,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039.04 : 58,017.94 = 31,410.22 : x
  2. Step 2: Convert to fraction form
    42,039.04/58,017.94 = 31,410.22/x
  3. Step 3: Cross multiply
    42,039.04x = 58,017.94 × 31,410.22
  4. Step 4: Simplify right side
    42,039.04x = 1,822,356,259.35
  5. Step 5: Solve for x
    x = 1,822,356,259.35/42,039.04
  6. Step 6: Final answer
    x = 43,349.14

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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.