Home / 51,242.09-70,714.19-28,580.51

Finding the Fourth Proportional to 51,242.09, 70,714.19 and 28,580.51

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Solution

The fourth proportional to 51,242.09, 70,714.19 and 28,580.51 is: 39,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.09 : 70,714.19 = 28,580.51 : x
  2. Step 2: Convert to fraction form
    51,242.09/70,714.19 = 28,580.51/x
  3. Step 3: Cross multiply
    51,242.09x = 70,714.19 × 28,580.51
  4. Step 4: Simplify right side
    51,242.09x = 2,021,047,862.67
  5. Step 5: Solve for x
    x = 2,021,047,862.67/51,242.09
  6. Step 6: Final answer
    x = 39,441.17

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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.