Home / 35,430.10-53,098.62-16,684.72

Finding the Fourth Proportional to 35,430.10, 53,098.62 and 16,684.72

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Solution

The fourth proportional to 35,430.10, 53,098.62 and 16,684.72 is: 25,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.10 : 53,098.62 = 16,684.72 : x
  2. Step 2: Convert to fraction form
    35,430.10/53,098.62 = 16,684.72/x
  3. Step 3: Cross multiply
    35,430.10x = 53,098.62 × 16,684.72
  4. Step 4: Simplify right side
    35,430.10x = 885,935,607.09
  5. Step 5: Solve for x
    x = 885,935,607.09/35,430.10
  6. Step 6: Final answer
    x = 25,005.17

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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.