Home / 42,430.44-58,569.78-36,438.06

Finding the Fourth Proportional to 42,430.44, 58,569.78 and 36,438.06

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Solution

The fourth proportional to 42,430.44, 58,569.78 and 36,438.06 is: 50,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,430.44 : 58,569.78 = 36,438.06 : x
  2. Step 2: Convert to fraction form
    42,430.44/58,569.78 = 36,438.06/x
  3. Step 3: Cross multiply
    42,430.44x = 58,569.78 × 36,438.06
  4. Step 4: Simplify right side
    42,430.44x = 2,134,169,157.83
  5. Step 5: Solve for x
    x = 2,134,169,157.83/42,430.44
  6. Step 6: Final answer
    x = 50,298.07

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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.