Home / 54,430.16-75,117.96-30,558.40

Finding the Fourth Proportional to 54,430.16, 75,117.96 and 30,558.40

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Solution

The fourth proportional to 54,430.16, 75,117.96 and 30,558.40 is: 42,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.16 : 75,117.96 = 30,558.40 : x
  2. Step 2: Convert to fraction form
    54,430.16/75,117.96 = 30,558.40/x
  3. Step 3: Cross multiply
    54,430.16x = 75,117.96 × 30,558.40
  4. Step 4: Simplify right side
    54,430.16x = 2,295,484,668.86
  5. Step 5: Solve for x
    x = 2,295,484,668.86/54,430.16
  6. Step 6: Final answer
    x = 42,173.03

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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.