Home / 35,639.19-53,440.70-11,938.32

Finding the Fourth Proportional to 35,639.19, 53,440.70 and 11,938.32

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Solution

The fourth proportional to 35,639.19, 53,440.70 and 11,938.32 is: 17,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.19 : 53,440.70 = 11,938.32 : x
  2. Step 2: Convert to fraction form
    35,639.19/53,440.70 = 11,938.32/x
  3. Step 3: Cross multiply
    35,639.19x = 53,440.70 × 11,938.32
  4. Step 4: Simplify right side
    35,639.19x = 637,992,117.93
  5. Step 5: Solve for x
    x = 637,992,117.93/35,639.19
  6. Step 6: Final answer
    x = 17,901.42

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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.