Home / 39,783.78-59,666.40-17,585.10

Finding the Fourth Proportional to 39,783.78, 59,666.40 and 17,585.10

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Solution

The fourth proportional to 39,783.78, 59,666.40 and 17,585.10 is: 26,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,783.78 : 59,666.40 = 17,585.10 : x
  2. Step 2: Convert to fraction form
    39,783.78/59,666.40 = 17,585.10/x
  3. Step 3: Cross multiply
    39,783.78x = 59,666.40 × 17,585.10
  4. Step 4: Simplify right side
    39,783.78x = 1,049,239,610.64
  5. Step 5: Solve for x
    x = 1,049,239,610.64/39,783.78
  6. Step 6: Final answer
    x = 26,373.55

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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.