Home / 38,461.28-53,071.81-21,466.47

Finding the Fourth Proportional to 38,461.28, 53,071.81 and 21,466.47

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Solution

The fourth proportional to 38,461.28, 53,071.81 and 21,466.47 is: 29,621.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461.28 : 53,071.81 = 21,466.47 : x
  2. Step 2: Convert to fraction form
    38,461.28/53,071.81 = 21,466.47/x
  3. Step 3: Cross multiply
    38,461.28x = 53,071.81 × 21,466.47
  4. Step 4: Simplify right side
    38,461.28x = 1,139,264,264.03
  5. Step 5: Solve for x
    x = 1,139,264,264.03/38,461.28
  6. Step 6: Final answer
    x = 29,621.07

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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.