Home / 38,030.81-52,483.43-21,036.20

Finding the Fourth Proportional to 38,030.81, 52,483.43 and 21,036.20

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Solution

The fourth proportional to 38,030.81, 52,483.43 and 21,036.20 is: 29,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,030.81 : 52,483.43 = 21,036.20 : x
  2. Step 2: Convert to fraction form
    38,030.81/52,483.43 = 21,036.20/x
  3. Step 3: Cross multiply
    38,030.81x = 52,483.43 × 21,036.20
  4. Step 4: Simplify right side
    38,030.81x = 1,104,051,824.99
  5. Step 5: Solve for x
    x = 1,104,051,824.99/38,030.81
  6. Step 6: Final answer
    x = 29,030.46

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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.