Home / 53,559.34-73,903.53-30,899.20

Finding the Fourth Proportional to 53,559.34, 73,903.53 and 30,899.20

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Solution

The fourth proportional to 53,559.34, 73,903.53 and 30,899.20 is: 42,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,559.34 : 73,903.53 = 30,899.20 : x
  2. Step 2: Convert to fraction form
    53,559.34/73,903.53 = 30,899.20/x
  3. Step 3: Cross multiply
    53,559.34x = 73,903.53 × 30,899.20
  4. Step 4: Simplify right side
    53,559.34x = 2,283,559,954.18
  5. Step 5: Solve for x
    x = 2,283,559,954.18/53,559.34
  6. Step 6: Final answer
    x = 42,636.07

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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.