Home / 40,455.04-55,832.80-23,688

Finding the Fourth Proportional to 40,455.04, 55,832.80 and 23,688

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Solution

The fourth proportional to 40,455.04, 55,832.80 and 23,688 is: 32,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.04 : 55,832.80 = 23,688 : x
  2. Step 2: Convert to fraction form
    40,455.04/55,832.80 = 23,688/x
  3. Step 3: Cross multiply
    40,455.04x = 55,832.80 × 23,688
  4. Step 4: Simplify right side
    40,455.04x = 1,322,567,366.40
  5. Step 5: Solve for x
    x = 1,322,567,366.40/40,455.04
  6. Step 6: Final answer
    x = 32,692.28

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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.