Home / 35,430.87-53,152.85-14,655.99

Finding the Fourth Proportional to 35,430.87, 53,152.85 and 14,655.99

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Solution

The fourth proportional to 35,430.87, 53,152.85 and 14,655.99 is: 21,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.87 : 53,152.85 = 14,655.99 : x
  2. Step 2: Convert to fraction form
    35,430.87/53,152.85 = 14,655.99/x
  3. Step 3: Cross multiply
    35,430.87x = 53,152.85 × 14,655.99
  4. Step 4: Simplify right side
    35,430.87x = 779,007,564.79
  5. Step 5: Solve for x
    x = 779,007,564.79/35,430.87
  6. Step 6: Final answer
    x = 21,986.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.