Home / 30,018.42-45,055.86-15,237.93

Finding the Fourth Proportional to 30,018.42, 45,055.86 and 15,237.93

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Solution

The fourth proportional to 30,018.42, 45,055.86 and 15,237.93 is: 22,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.42 : 45,055.86 = 15,237.93 : x
  2. Step 2: Convert to fraction form
    30,018.42/45,055.86 = 15,237.93/x
  3. Step 3: Cross multiply
    30,018.42x = 45,055.86 × 15,237.93
  4. Step 4: Simplify right side
    30,018.42x = 686,558,040.77
  5. Step 5: Solve for x
    x = 686,558,040.77/30,018.42
  6. Step 6: Final answer
    x = 22,871.23

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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.