Home / 52,430.42-72,354.80-28,557.09

Finding the Fourth Proportional to 52,430.42, 72,354.80 and 28,557.09

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Solution

The fourth proportional to 52,430.42, 72,354.80 and 28,557.09 is: 39,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.42 : 72,354.80 = 28,557.09 : x
  2. Step 2: Convert to fraction form
    52,430.42/72,354.80 = 28,557.09/x
  3. Step 3: Cross multiply
    52,430.42x = 72,354.80 × 28,557.09
  4. Step 4: Simplify right side
    52,430.42x = 2,066,242,606.92
  5. Step 5: Solve for x
    x = 2,066,242,606.92/52,430.42
  6. Step 6: Final answer
    x = 39,409.23

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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.