Home / 51,233.49-70,702.08-28,572.51

Finding the Fourth Proportional to 51,233.49, 70,702.08 and 28,572.51

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Solution

The fourth proportional to 51,233.49, 70,702.08 and 28,572.51 is: 39,429.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,233.49 : 70,702.08 = 28,572.51 : x
  2. Step 2: Convert to fraction form
    51,233.49/70,702.08 = 28,572.51/x
  3. Step 3: Cross multiply
    51,233.49x = 70,702.08 × 28,572.51
  4. Step 4: Simplify right side
    51,233.49x = 2,020,135,887.82
  5. Step 5: Solve for x
    x = 2,020,135,887.82/51,233.49
  6. Step 6: Final answer
    x = 39,429.99

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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.