Home / 40,285.13-60,430.93-12,583.13

Finding the Fourth Proportional to 40,285.13, 60,430.93 and 12,583.13

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Solution

The fourth proportional to 40,285.13, 60,430.93 and 12,583.13 is: 18,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.13 : 60,430.93 = 12,583.13 : x
  2. Step 2: Convert to fraction form
    40,285.13/60,430.93 = 12,583.13/x
  3. Step 3: Cross multiply
    40,285.13x = 60,430.93 × 12,583.13
  4. Step 4: Simplify right side
    40,285.13x = 760,409,914.60
  5. Step 5: Solve for x
    x = 760,409,914.60/40,285.13
  6. Step 6: Final answer
    x = 18,875.70

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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.