Home / 52,430.40-72,354.78-28,557.09

Finding the Fourth Proportional to 52,430.40, 72,354.78 and 28,557.09

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Solution

The fourth proportional to 52,430.40, 72,354.78 and 28,557.09 is: 39,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.40 : 72,354.78 = 28,557.09 : x
  2. Step 2: Convert to fraction form
    52,430.40/72,354.78 = 28,557.09/x
  3. Step 3: Cross multiply
    52,430.40x = 72,354.78 × 28,557.09
  4. Step 4: Simplify right side
    52,430.40x = 2,066,241,964.39
  5. Step 5: Solve for x
    x = 2,066,241,964.39/52,430.40
  6. Step 6: Final answer
    x = 39,409.24

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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.