Home / 35,010.16-48,312.08-19,900.72

Finding the Fourth Proportional to 35,010.16, 48,312.08 and 19,900.72

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Solution

The fourth proportional to 35,010.16, 48,312.08 and 19,900.72 is: 27,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,010.16 : 48,312.08 = 19,900.72 : x
  2. Step 2: Convert to fraction form
    35,010.16/48,312.08 = 19,900.72/x
  3. Step 3: Cross multiply
    35,010.16x = 48,312.08 × 19,900.72
  4. Step 4: Simplify right side
    35,010.16x = 961,445,176.70
  5. Step 5: Solve for x
    x = 961,445,176.70/35,010.16
  6. Step 6: Final answer
    x = 27,461.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.