Home / 35,640.19-53,475.15-15,639.35

Finding the Fourth Proportional to 35,640.19, 53,475.15 and 15,639.35

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Solution

The fourth proportional to 35,640.19, 53,475.15 and 15,639.35 is: 23,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.19 : 53,475.15 = 15,639.35 : x
  2. Step 2: Convert to fraction form
    35,640.19/53,475.15 = 15,639.35/x
  3. Step 3: Cross multiply
    35,640.19x = 53,475.15 × 15,639.35
  4. Step 4: Simplify right side
    35,640.19x = 836,316,378.42
  5. Step 5: Solve for x
    x = 836,316,378.42/35,640.19
  6. Step 6: Final answer
    x = 23,465.54

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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.