Home / 37,886.40-52,280.52-21,968.16

Finding the Fourth Proportional to 37,886.40, 52,280.52 and 21,968.16

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Solution

The fourth proportional to 37,886.40, 52,280.52 and 21,968.16 is: 30,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.40 : 52,280.52 = 21,968.16 : x
  2. Step 2: Convert to fraction form
    37,886.40/52,280.52 = 21,968.16/x
  3. Step 3: Cross multiply
    37,886.40x = 52,280.52 × 21,968.16
  4. Step 4: Simplify right side
    37,886.40x = 1,148,506,828.24
  5. Step 5: Solve for x
    x = 1,148,506,828.24/37,886.40
  6. Step 6: Final answer
    x = 30,314.49

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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.