Home / 42,510.13-58,417.73-40,558.84

Finding the Fourth Proportional to 42,510.13, 58,417.73 and 40,558.84

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Solution

The fourth proportional to 42,510.13, 58,417.73 and 40,558.84 is: 55,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,510.13 : 58,417.73 = 40,558.84 : x
  2. Step 2: Convert to fraction form
    42,510.13/58,417.73 = 40,558.84/x
  3. Step 3: Cross multiply
    42,510.13x = 58,417.73 × 40,558.84
  4. Step 4: Simplify right side
    42,510.13x = 2,369,355,167.49
  5. Step 5: Solve for x
    x = 2,369,355,167.49/42,510.13
  6. Step 6: Final answer
    x = 55,736.25

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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.