Home / 56,130.64-77,461.65-31,935.53

Finding the Fourth Proportional to 56,130.64, 77,461.65 and 31,935.53

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Solution

The fourth proportional to 56,130.64, 77,461.65 and 31,935.53 is: 44,071.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.64 : 77,461.65 = 31,935.53 : x
  2. Step 2: Convert to fraction form
    56,130.64/77,461.65 = 31,935.53/x
  3. Step 3: Cross multiply
    56,130.64x = 77,461.65 × 31,935.53
  4. Step 4: Simplify right side
    56,130.64x = 2,473,779,041.08
  5. Step 5: Solve for x
    x = 2,473,779,041.08/56,130.64
  6. Step 6: Final answer
    x = 44,071.81

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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.