Home / 35,430.50-53,152.28-14,655.62

Finding the Fourth Proportional to 35,430.50, 53,152.28 and 14,655.62

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Solution

The fourth proportional to 35,430.50, 53,152.28 and 14,655.62 is: 21,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.50 : 53,152.28 = 14,655.62 : x
  2. Step 2: Convert to fraction form
    35,430.50/53,152.28 = 14,655.62/x
  3. Step 3: Cross multiply
    35,430.50x = 53,152.28 × 14,655.62
  4. Step 4: Simplify right side
    35,430.50x = 778,979,388.69
  5. Step 5: Solve for x
    x = 778,979,388.69/35,430.50
  6. Step 6: Final answer
    x = 21,986.13

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1.5x scale

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.