Home / 39,666.45-59,484.24-19,931.25

Finding the Fourth Proportional to 39,666.45, 59,484.24 and 19,931.25

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Solution

The fourth proportional to 39,666.45, 59,484.24 and 19,931.25 is: 29,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,666.45 : 59,484.24 = 19,931.25 : x
  2. Step 2: Convert to fraction form
    39,666.45/59,484.24 = 19,931.25/x
  3. Step 3: Cross multiply
    39,666.45x = 59,484.24 × 19,931.25
  4. Step 4: Simplify right side
    39,666.45x = 1,185,595,258.50
  5. Step 5: Solve for x
    x = 1,185,595,258.50/39,666.45
  6. Step 6: Final answer
    x = 29,889.12

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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.