Home / 52,430.99-72,354.87-28,557.59

Finding the Fourth Proportional to 52,430.99, 72,354.87 and 28,557.59

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Solution

The fourth proportional to 52,430.99, 72,354.87 and 28,557.59 is: 39,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.99 : 72,354.87 = 28,557.59 : x
  2. Step 2: Convert to fraction form
    52,430.99/72,354.87 = 28,557.59/x
  3. Step 3: Cross multiply
    52,430.99x = 72,354.87 × 28,557.59
  4. Step 4: Simplify right side
    52,430.99x = 2,066,280,350.19
  5. Step 5: Solve for x
    x = 2,066,280,350.19/52,430.99
  6. Step 6: Final answer
    x = 39,409.53

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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.