Home / 52,328.80-72,210.66-28,455.28

Finding the Fourth Proportional to 52,328.80, 72,210.66 and 28,455.28

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Solution

The fourth proportional to 52,328.80, 72,210.66 and 28,455.28 is: 39,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.80 : 72,210.66 = 28,455.28 : x
  2. Step 2: Convert to fraction form
    52,328.80/72,210.66 = 28,455.28/x
  3. Step 3: Cross multiply
    52,328.80x = 72,210.66 × 28,455.28
  4. Step 4: Simplify right side
    52,328.80x = 2,054,774,549.28
  5. Step 5: Solve for x
    x = 2,054,774,549.28/52,328.80
  6. Step 6: Final answer
    x = 39,266.61

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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.