Home / 52,688.63-72,718.89-39,166.48

Finding the Fourth Proportional to 52,688.63, 72,718.89 and 39,166.48

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Solution

The fourth proportional to 52,688.63, 72,718.89 and 39,166.48 is: 54,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,688.63 : 72,718.89 = 39,166.48 : x
  2. Step 2: Convert to fraction form
    52,688.63/72,718.89 = 39,166.48/x
  3. Step 3: Cross multiply
    52,688.63x = 72,718.89 × 39,166.48
  4. Step 4: Simplify right side
    52,688.63x = 2,848,142,769.01
  5. Step 5: Solve for x
    x = 2,848,142,769.01/52,688.63
  6. Step 6: Final answer
    x = 54,056.12

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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.