Home / 35,342.57-48,772.91-19,428.05

Finding the Fourth Proportional to 35,342.57, 48,772.91 and 19,428.05

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Solution

The fourth proportional to 35,342.57, 48,772.91 and 19,428.05 is: 26,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.57 : 48,772.91 = 19,428.05 : x
  2. Step 2: Convert to fraction form
    35,342.57/48,772.91 = 19,428.05/x
  3. Step 3: Cross multiply
    35,342.57x = 48,772.91 × 19,428.05
  4. Step 4: Simplify right side
    35,342.57x = 947,562,534.13
  5. Step 5: Solve for x
    x = 947,562,534.13/35,342.57
  6. Step 6: Final answer
    x = 26,810.80

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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.