Home / 57,316.36-79,106.02-31,830.98

Finding the Fourth Proportional to 57,316.36, 79,106.02 and 31,830.98

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Solution

The fourth proportional to 57,316.36, 79,106.02 and 31,830.98 is: 43,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,316.36 : 79,106.02 = 31,830.98 : x
  2. Step 2: Convert to fraction form
    57,316.36/79,106.02 = 31,830.98/x
  3. Step 3: Cross multiply
    57,316.36x = 79,106.02 × 31,830.98
  4. Step 4: Simplify right side
    57,316.36x = 2,518,021,665.39
  5. Step 5: Solve for x
    x = 2,518,021,665.39/57,316.36
  6. Step 6: Final answer
    x = 43,931.99

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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.