Home / 35,312.40-52,951.68-11,931.12

Finding the Fourth Proportional to 35,312.40, 52,951.68 and 11,931.12

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Solution

The fourth proportional to 35,312.40, 52,951.68 and 11,931.12 is: 17,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,312.40 : 52,951.68 = 11,931.12 : x
  2. Step 2: Convert to fraction form
    35,312.40/52,951.68 = 11,931.12/x
  3. Step 3: Cross multiply
    35,312.40x = 52,951.68 × 11,931.12
  4. Step 4: Simplify right side
    35,312.40x = 631,772,848.28
  5. Step 5: Solve for x
    x = 631,772,848.28/35,312.40
  6. Step 6: Final answer
    x = 17,890.96

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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.