Home / 37,875.65-52,268.38-20,880.18

Finding the Fourth Proportional to 37,875.65, 52,268.38 and 20,880.18

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Solution

The fourth proportional to 37,875.65, 52,268.38 and 20,880.18 is: 28,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,875.65 : 52,268.38 = 20,880.18 : x
  2. Step 2: Convert to fraction form
    37,875.65/52,268.38 = 20,880.18/x
  3. Step 3: Cross multiply
    37,875.65x = 52,268.38 × 20,880.18
  4. Step 4: Simplify right side
    37,875.65x = 1,091,373,130.51
  5. Step 5: Solve for x
    x = 1,091,373,130.51/37,875.65
  6. Step 6: Final answer
    x = 28,814.64

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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.