Home / 42,733.72-58,980.69-28,172.35

Finding the Fourth Proportional to 42,733.72, 58,980.69 and 28,172.35

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Solution

The fourth proportional to 42,733.72, 58,980.69 and 28,172.35 is: 38,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,733.72 : 58,980.69 = 28,172.35 : x
  2. Step 2: Convert to fraction form
    42,733.72/58,980.69 = 28,172.35/x
  3. Step 3: Cross multiply
    42,733.72x = 58,980.69 × 28,172.35
  4. Step 4: Simplify right side
    42,733.72x = 1,661,624,549.76
  5. Step 5: Solve for x
    x = 1,661,624,549.76/42,733.72
  6. Step 6: Final answer
    x = 38,883.22

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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.