Home / 53,955.03-74,458.27-31,307.51

Finding the Fourth Proportional to 53,955.03, 74,458.27 and 31,307.51

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Solution

The fourth proportional to 53,955.03, 74,458.27 and 31,307.51 is: 43,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.03 : 74,458.27 = 31,307.51 : x
  2. Step 2: Convert to fraction form
    53,955.03/74,458.27 = 31,307.51/x
  3. Step 3: Cross multiply
    53,955.03x = 74,458.27 × 31,307.51
  4. Step 4: Simplify right side
    53,955.03x = 2,331,103,032.61
  5. Step 5: Solve for x
    x = 2,331,103,032.61/53,955.03
  6. Step 6: Final answer
    x = 43,204.55

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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.