Home / 53,629.84-74,019.95-30,972.52

Finding the Fourth Proportional to 53,629.84, 74,019.95 and 30,972.52

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Solution

The fourth proportional to 53,629.84, 74,019.95 and 30,972.52 is: 42,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.84 : 74,019.95 = 30,972.52 : x
  2. Step 2: Convert to fraction form
    53,629.84/74,019.95 = 30,972.52/x
  3. Step 3: Cross multiply
    53,629.84x = 74,019.95 × 30,972.52
  4. Step 4: Simplify right side
    53,629.84x = 2,292,584,381.77
  5. Step 5: Solve for x
    x = 2,292,584,381.77/53,629.84
  6. Step 6: Final answer
    x = 42,748.30

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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.