Home / 35,681.92-53,483.28-18,115.36

Finding the Fourth Proportional to 35,681.92, 53,483.28 and 18,115.36

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Solution

The fourth proportional to 35,681.92, 53,483.28 and 18,115.36 is: 27,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.92 : 53,483.28 = 18,115.36 : x
  2. Step 2: Convert to fraction form
    35,681.92/53,483.28 = 18,115.36/x
  3. Step 3: Cross multiply
    35,681.92x = 53,483.28 × 18,115.36
  4. Step 4: Simplify right side
    35,681.92x = 968,868,871.18
  5. Step 5: Solve for x
    x = 968,868,871.18/35,681.92
  6. Step 6: Final answer
    x = 27,152.94

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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.