Home / 53,628.28-74,017.79-30,970.96

Finding the Fourth Proportional to 53,628.28, 74,017.79 and 30,970.96

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Solution

The fourth proportional to 53,628.28, 74,017.79 and 30,970.96 is: 42,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,628.28 : 74,017.79 = 30,970.96 : x
  2. Step 2: Convert to fraction form
    53,628.28/74,017.79 = 30,970.96/x
  3. Step 3: Cross multiply
    53,628.28x = 74,017.79 × 30,970.96
  4. Step 4: Simplify right side
    53,628.28x = 2,292,401,905.76
  5. Step 5: Solve for x
    x = 2,292,401,905.76/53,628.28
  6. Step 6: Final answer
    x = 42,746.14

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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.