Home / 39,373.79-59,018.91-19,355.05

Finding the Fourth Proportional to 39,373.79, 59,018.91 and 19,355.05

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Solution

The fourth proportional to 39,373.79, 59,018.91 and 19,355.05 is: 29,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.79 : 59,018.91 = 19,355.05 : x
  2. Step 2: Convert to fraction form
    39,373.79/59,018.91 = 19,355.05/x
  3. Step 3: Cross multiply
    39,373.79x = 59,018.91 × 19,355.05
  4. Step 4: Simplify right side
    39,373.79x = 1,142,313,955.19
  5. Step 5: Solve for x
    x = 1,142,313,955.19/39,373.79
  6. Step 6: Final answer
    x = 29,012.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.