Home / 52,430.52-72,355.40-28,558.48

Finding the Fourth Proportional to 52,430.52, 72,355.40 and 28,558.48

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Solution

The fourth proportional to 52,430.52, 72,355.40 and 28,558.48 is: 39,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,430.52 : 72,355.40 = 28,558.48 : x
  2. Step 2: Convert to fraction form
    52,430.52/72,355.40 = 28,558.48/x
  3. Step 3: Cross multiply
    52,430.52x = 72,355.40 × 28,558.48
  4. Step 4: Simplify right side
    52,430.52x = 2,066,360,243.79
  5. Step 5: Solve for x
    x = 2,066,360,243.79/52,430.52
  6. Step 6: Final answer
    x = 39,411.40

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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.