Home / 38,830.74-58,220.16-31,343.51

Finding the Fourth Proportional to 38,830.74, 58,220.16 and 31,343.51

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Solution

The fourth proportional to 38,830.74, 58,220.16 and 31,343.51 is: 46,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.74 : 58,220.16 = 31,343.51 : x
  2. Step 2: Convert to fraction form
    38,830.74/58,220.16 = 31,343.51/x
  3. Step 3: Cross multiply
    38,830.74x = 58,220.16 × 31,343.51
  4. Step 4: Simplify right side
    38,830.74x = 1,824,823,876.06
  5. Step 5: Solve for x
    x = 1,824,823,876.06/38,830.74
  6. Step 6: Final answer
    x = 46,994.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.