Home / 30,973.19-42,745.86-17,545.01

Finding the Fourth Proportional to 30,973.19, 42,745.86 and 17,545.01

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Solution

The fourth proportional to 30,973.19, 42,745.86 and 17,545.01 is: 24,213.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.19 : 42,745.86 = 17,545.01 : x
  2. Step 2: Convert to fraction form
    30,973.19/42,745.86 = 17,545.01/x
  3. Step 3: Cross multiply
    30,973.19x = 42,745.86 × 17,545.01
  4. Step 4: Simplify right side
    30,973.19x = 749,976,541.16
  5. Step 5: Solve for x
    x = 749,976,541.16/30,973.19
  6. Step 6: Final answer
    x = 24,213.73

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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.